Logic Riddles

Question: There is a chain nailed to the wall. The chain is 10 feet long and the center of the chain dips down 5 feet from where each side of the chain is nailed to the wall. How far are the 2 ends of chain from each other?

Question: The more you add, the less it weighs.

Question: How do you make the number one disappear by adding to it?

Question: A cowboy rode to an inn on Friday. He stayed two nights and left on Friday. How could that be?

Question: A man is walking through the park one day and sees a group of four boys standing in a circle. A smaller boy is holding a large stick and hands it to a larger boy saying "I couldn't do it, your turn."

The larger boy swings the stick twice and the other two boys go to the ground. The smaller boy says "I'll get 'em next time." The man walks away smiling.

What just happened?